This is called a BRACT, often mistaken for a Calyx. The bract is the portion of the plant that contains the female cannabis reproductive system. Included Inside are two little hairs called stigmas (orange hairs). These stigmas protrude from the tip of the bract to catch pollen. If there is no male plant pollen present, it will continue to swell and remain empty, growing out seedless flowers. However, if there is pollen present, then it will become pregnant and form a seed to create the next gelato runtz sherb cross 😂